<template>
  <div class="app">
    <h1>你好啊,小君：</h1>
    <Person/>
  </div>
</template>

<script  lang="ts">
  import Person from './components/Person.vue';
  export default{
    name:'App', //组件名
    components:{Person}//注册组件
  }
</script> 



<style>
  .app{
    background-color: #ddd;
    box-shadow: 0 0 10px;
    border-radius: 10px;
    padding: 20px;
  }
</style>
